GW Instek GDS-1102A-U 5.7" LCD Color Display Digital Storage Oscilloscope with USB Port, 100MHz Bandwidth, 2-Channel, 3.5ns Rise Time Two-channel, portable digital oscilloscope for electronics applications such as product design, assembly lines, repair and servicing, and electrical engineering education Maximum real-time sample rate of 1GS/s and record length of 2 Mpts per channel for acquiring detailed waveforms Auto-set function automatically selects the optimum settings for displaying waveforms Add, subtract, multiply, and FFT math functions and 27 measurement parameters for analyzing waveforms 5.7" color TFT-LCD for simultaneously viewing up to two live and two stored waveforms